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Construction at the Southeast Treatment Plant

Overview

Built in 1952, the Southeast Treatment Plant is the City’s largest wastewater treatment facility, handling nearly 80% of San Francisco's combined stormwater and wastewater every year. However, many of its facilities are past their useful life and generate odors that impact the neighborhood.

The SFPUC is currently investing over $3 billion in critical upgrades to transform this facility into a modern resource recovery center. By doing so, we will continue to protect our communities and environment while creating an attractive workplace and neighborhood asset that serves the entire City for decades to come.

As we continue to make progress with our infrastructure investments, we are proud to be providing jobs and contracting opportunities to local residents and businesses. When complete, the plant will work better, look better, and smell better for the neighborhood, our staff, and the entire City!

CONSTRUCTION UPDATES (Winter 2024-2025)

Evans Avenue Restoration

Unforeseen site conditions have delayed the restoration work taking place on Evans Avenue, which includes sidewalk and curb work, as well as installation of new lighting and additional tree planting. The work began in November 2024 and was expected to be completed by late January 2025.

Updated Duration: Work began in late November 2024 and is now expected to be complete mid-March 2025. Expected upcoming work includes:

  • Grading and pouring the sidewalk on south Evans Avenue between February 3 - February 12, 2025
  • Paving Evans Avenue between February 20 - February 21, 2025
  • Installing trees and landscaping between February 20 - March 3, 2025

Changes to the Biosolids' Biogas Project

Biogas is a byproduct of the biosolids digestion treatment process. Our original plans for the Biosolids Digester Facilities Project included reusing 100% of the biogas, however we recently made changes to how the biogas will be utilized. The new plan will convert the biogas to renewable natural gas for injection into PG&E's existing gas pipeline. For more information, read frequently asked questions for the Biogas Utilization Project.

  • Construction Start: 2018